CN201056913Y

CN201056913Y - Padlock

Info

Publication number: CN201056913Y
Application number: CNU2007201111011U
Authority: CN
Inventors: 沈佩琦
Original assignee: ZHOUSHAN ELECTRIC POWER SUPPLY Co
Current assignee: Zhoushan Power Authority, Zhejiang Electric Power Corporation
Priority date: 2007-06-21
Filing date: 2007-06-21
Publication date: 2008-05-07
Anticipated expiration: 2017-06-21

Abstract

The utility model provides a padlock, a lock pin (5) is connected with a lock body (3) by a thread, a hole for installing the lock pin is mutually communicated with a lock ring hole, and the end of a lock ring (1) inserted into the lock ring hole is equipped with a notch pointed to the installing hole of the lock pin; a lock core is a rotating element and installed inside the lock core hole, the internal section of the lock core is connected with the lock pin by rotation, and the external section is a non-cylindrical body end with the end surface being lower than the lock body surface. The padlock provided by the utility model adopts the header of a screw as the lock pin and the tail of the screw as the lock core, the rotation of the lock core relative to the lock body ensures the block in and the back out of the lock pin inside the lock body and relative to the notch on the lock ring, and the locking and the unlocking functions are realized. Compared with the padlock by utilizing a plurality of columnar beads, the padlock provided by the utility model has simple structure, the diversity of the non-cylindrical body end of the lock core, and the illegal locking prevention function of the lock body embedded into the surface, and is further favorable for acting on the condition of a universal key. The utility model is convenient to make rust proof and pollution proof treatment because the structure is simple, and the field operation is further favorable.

Description

Padlock

Technical field

The utility model relates to a kind of padlock, especially a kind of padlock that common key is arranged.

Background technology

Current padlock is made up of lock body, lock ring, lock pin, lock core and key.Wherein lock body is an entity, has 3 holes on it at least, and lock core is placed in one of them hole, and lock ring is installed in two holes.Lock ring is a U-shaped member, and the one end is longer than the other end, and a long end is installed in lock body, and lock ring can be taken on the part of lock body jagged.Lock pin is mounted in the part that can enter breach on the lock ring in the lock body.Lock core is a cylinder, has and communication lock core that axis is arranged in parallel and the aperture between the lock body, and cylindricality pearl and spring are installed on the aperture, the cylindricality pearl is extruded and makes the cylindricality pearl across stoping relatively rotating of lock core and lock body between lock core and the lock body by spring.Lock core cylinder middle part also has the keyhole parallel with axis, and keyhole is communicated with cylindricality pearl aperture.In order to insert key, the other end has a finger to lock core cylinder one end on surface of lock body.Key be with lock core on the identical bar in cross section, hole, have the height breach that differs corresponding one by one on it with cylindricality pearl aperture, also installed in each cylindricality pearl aperture with at the bottom of the breach to lock core and the consistent cylindricality pearl different in size of lock body interface distance.When key inserts, key promote the short cylindricality pearl that differs of this platoon leader shift onto the inside one organ timbering shape pearl in the lock body and the splicing point that just makes two organ timbering shape pearls on the interface of lock core and lock body, stir lock pin and abandon locking (finger and lock pin are same parts sometimes) thereby lock body can be rotated finger lock ring.And after the lock ring two ends are all taken on the lock body hole and lock core are resetted, padlock just locks because of breach on the lock ring cooperates with lock pin in the lock body, thereby constitute the purpose that the ring that seals reaches lock with lock body, this moment, the key that need not match just can not make all cylindricality posts all just in time not across on the interface of lock core and lock body, thereby can not rotational lock core and unblank.From said structure as can be known, padlock exists the many complex structures of lock core part, the problem that manufacturing cost is high.And when common key is arranged, as be used for power distribution room, instrument box etc. can one key control many during lockset, it is numerous and diverse that this lock core structure more seems.The structure of padlock is gone through evolution, though lock body and lock ring have had various ways, as making lock ring by soft rope and lock ring one end being fixed on the lock body, have the lock ring two ends not to be installed on the lock body and can break away from lock body, but the structure of lock core does not change yet and only increases cylindricality pearl columns and more add its complexity.

Summary of the invention

At above-mentioned deficiency, the utility model is exactly to provide a kind of not only simple but also mainly be the padlock that is applied to common key effectively.

The padlock that the utility model provides is made up of lock body, lock ring, lock pin, lock core and key, and wherein lock pin is threaded with lock body, and the hole that lock pin is installed communicates with lock ring hole, and the end that lock ring inserts in this lock ring hole has a breach at the lock pin installing hole; Lock core is that a revolving part is installed in the lock core hole, and section rotates with lock pin and is connected in the lock core, and outer section is the non-cylinder end that end face is lower than surface of lock body; Key has a work cylinder, and this cylinder front end has the hole that cooperates as negative and positive with lock core non-cylinder end, and the maximum radial dimension when this column axis and lock core dead in line is less than the smallest radial size of no lock core part on the lock core hole.

The padlock that the utility model provides, said lock pin and lock pin coaxial connect as one, and the front and back rectilinear motion so that rotatablely moving of the relative lock body of pin core is converted into lock pin snaps in breach and the action of withdrawing from breach on the lock ring and reach with lock pin.This technical scheme has further been simplified the structure of lock.

The padlock that the utility model provides, the cross section of said lock core non-cylinder end is a polygon, the variation of non-cylinder is endless in general, but for its processing technology of simplification is good with the polygon cylinder then, from processing request, regular polygon is more convenient.

The padlock that the utility model provides, lock core hole on the lock body is perpendicular to the circular hole of lock ring hole, one section of its nearly lock ring hole has screw thread, one section true footpath is greater than screwhole diameter beyond the screw thread, two sector holes are coaxial, key work cylinder is a cylinder, and the outer section of its diameter and lock core hole is made matched in clearance, and the rotation that makes key is coaxial and the constraint of lock core hole as its rotation arranged with the lock core rotation.

The padlock that the utility model provides is made lock pin with the head of a screw, makes lock core with the afterbody of a screw, makes lock pin relatively snapping in and withdrawing from of breach and function of playing locking and unblanking on the lock ring in lock body with lock core relative to rotating of lock body.With respect to the padlock that has used many cylindricality pearls, the pad lock structure that the utility model provides is simple, the diversity of lock core non-cylinder end and go deep into surface of lock body and also have the desired anti-theft of lockset to open effect, and be more conducive to act on the situation of common key.Be convenient to do antirust antifouling processing in addition because of it is simple in structure, more help using in the open air.

Description of drawings

Fig. 1 is the sectional view of the utility model one embodiment, among the figure: 1-lock ring, 2-rubber stopper, 3-lock body, 4-alignment pin, 5-lock core screw, 6-sealing ring;

Sectional view when Fig. 2 opens with key for the utility model one embodiment is among the figure: 1-lock ring, 2-rubber stopper, 3-lock body, 4-alignment pin, 5-lock core screw, 6-sealing ring, 7-key;

Fig. 3 is the right view of Fig. 1, among the figure: 1-lock ring, 2-rubber stopper, 3-lock body, 5-lock core screw;

Fig. 4 is the lock core direction view of another embodiment of the utility model; Among the figure: 1-lock ring, 2-rubber stopper, 3-lock body, 15-lock core;

Fig. 5 is the utility model lock core direction view of an embodiment again; Among the figure: 1-lock ring, 2-rubber stopper, 3-lock body, 25-lock core.

The specific embodiment

1, as shown in Figure 1, 2, 3, it is lock body 3 that a flat cuboid piece of stainless steel is arranged, and the hole that pair of parallel is arranged on a narrower side is a lock ring hole, and wherein a hole is darker, and a hole is more shallow.One lock ring 1 is arranged, be the shaft-like thing of the stainless steel that takes the shape of the letter U, be inserted in the lock ring hole with its parallel two ends, there is length at the two ends of lock ring, and a long end is inserted in the darker lock ring hole.An end long on the lock ring has a long breach on a short end one side, alignment pin 4 is installed on lock body, and alignment pin is parallel to the narrow side of lock body and is positioned at the breach of the length of lock ring.Under alignment pin and the long nick during end in contact, the residing position of lock ring is the height of the lock ring other end when breaking away from lock body, on alignment pin and the long nick during end in contact, and the height when the residing position of lock ring is lock ring other end insertion lock body.The lower end of long nick is a ring shaped slot around the lock ring end on the lock ring, and groove makes alignment pin tolerable lock ring end according to rotational.When the short end of lock ring broke away from lock body, one section the upper edge that the long end of lock ring is inserted in the lock body was equipped with a sealing ring 6, improves antirust and antifouling property so that obtain sealing between lock ring and the lock body.One lock core hole is arranged on the lock body, and lock core hole is vertical with darker lock ring hole and squeeze into from the narrower side that more shallow lock ring hole one side is arranged.One section of the nearly lock ring hole of lock core hole has screw thread, and one section diameter of nearly surface of lock body is greater than the thread segment diameter.The one lock core screw 5 that is connected as a single entity with lock pin and lock pin coaxial is arranged in the lock core hole, and lock core screw the last period is the screw structure that cooperates with lockhole screw section, and back one section is the cylinder in a regular pentagon cross section, and there is bigger distance the cylinder outer face from surface of lock body.After the lock ring two ends are all inserted lock ring hole, a small gap is arranged on the lock ring of lock core hole indication, the big I of breach snaps in the front end of lock core screw.Hang with a rubber stopper 2 on lock ring, it is antifouling to be used for after locking plug waterproof on lock core hole.The work cylinder of key leading portion is the cylinder that a diameter is slightly smaller than the outer section of lock core hole, and the cylinder front end has the cylinder cavity of pentagonal section, cooperates as negative and positive with regular pentagon cross section cylinder on the lock core.During use, cooperate the back key with the rotational lock core screw with lock core key, make it and then snap in small gap on the lock ring, move back and withdraw from small gap on the lock ring, reach the purpose of pinning and unblanking.

2, the same example has lock body 1, lock ring 2, lock pin, lock core 15, key to constitute, and also hangs with rubber stopper 2 on the lock ring, wherein lock core outer end and the equilateral pentagon of cross section right and wrong of the key work cylinder of cooperation with it.

3, with example 1, have lock body 1, lock ring 2, lock pin, lock core 25, key to constitute, also hang with rubber stopper 2 on the lock ring, wherein the lock core outer end and with it the cross section of the key work cylinder of cooperation be regular pentagon, but with the lock core hole disalignment.

4, a padlock, lock ring are soft rope, and lock ring one end is fixedlyed connected with lock body, and small gap is arranged on the other end, and the hole on the lock body that it inserted has lock core hole to communicate.Lock core structure is with example 1.

5, a padlock, lock ring is the isometric U-shaped rigidity shafts in two ends, small gap is all arranged on the two ends, there is a pair of lock pin that on same axis, also points to two lock ring holes respectively to cooperate with lock body in the lock body with screw thread, the vertical lock pin of lock core hole is arranged, and lock core has axle to be connected with axis hole with lock body and is in transmission connection with vertical teeth respectively with two lock pins.When rotational lock core, lock pin respectively hang oneself the tooth transmission and in lock body relatively lock ring hole make advance and retreat synchronously, play the effect that snaps in or withdraw from small gap on the lock ring two ends.

Claims

1. a padlock is made up of lock body, lock ring, lock pin, lock core and key, it is characterized in that wherein lock pin is threaded with lock body, and the hole that lock pin is installed communicates with lock ring hole, and the end that lock ring inserts in this lock ring hole has a breach at the lock pin installing hole; Lock core is that a revolving part is installed in the lock core hole, and section rotates with lock pin and is connected in the lock core, and outer section is the non-cylinder end that end face is lower than surface of lock body; Key has a work cylinder, and this cylinder front end has the hole that cooperates as negative and positive with lock core non-cylinder end, and the maximum radial dimension when this column axis and lock core dead in line is less than the smallest radial size of no lock core part on the lock core hole.

2. padlock as claimed in claim 1 is characterized in that said lock pin and lock pin coaxial connect as one.

3. padlock as claimed in claim 1, the cross section that it is characterized in that said lock core non-cylinder end is a polygon.

4. as claim 1 or 2 or 3 described padlocks, it is characterized in that the lock core hole on the lock body is perpendicular to the circular hole of lock ring hole, one section of its nearly lock ring hole has screw thread, one section true footpath is greater than screwhole diameter beyond the screw thread, two sector holes are coaxial, key work cylinder is a cylinder, and the outer section of its diameter and lock core hole is made matched in clearance.